Home / 30,964,814.84-46,421,240.69-13,690,226.72

Finding the Fourth Proportional to 30,964,814.84, 46,421,240.69 and 13,690,226.72

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Solution

The fourth proportional to 30,964,814.84, 46,421,240.69 and 13,690,226.72 is: 20,523,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,964,814.84 : 46,421,240.69 = 13,690,226.72 : x
  2. Step 2: Convert to fraction form
    30,964,814.84/46,421,240.69 = 13,690,226.72/x
  3. Step 3: Cross multiply
    30,964,814.84x = 46,421,240.69 × 13,690,226.72
  4. Step 4: Simplify right side
    30,964,814.84x = 635,517,309,471,908.62
  5. Step 5: Solve for x
    x = 635,517,309,471,908.62/30,964,814.84
  6. Step 6: Final answer
    x = 20,523,853.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.